Different ways to make Cheap International Calls. How to call abroad at cheap rates. Saving on Mobile charges and call charges while traveling abroad br br Calling Cards - the cheapest international calling cards on the web for phone cardusers. Find the lowest rates available and save up to 95 on international Cards br br To know dialing codes for international calls between two countries, enter the name of both the countries (country to which and country from which you need to make the call) in the form given below and click 'Show Dialing Format'.